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MVG-12S 型侧装式高压真空断路器

Type Side-Mounted High Voltage Vacuum Circuit Breaker

MVG-12S（固封式） 侧装式真空断路器电气原理图
侧装式真空断路器外形尺寸 Side-Mounted Vacuum Circuit Breaker Electrical Schematics
Outline Dimension of Side-Mounted Vacuum Circuit Breaker

䓴≮㙞ថ Overcurrent tripping $Ⱕ C phase A phase 27 Y8 I> 48
"Ⱕ
2
Y7 I> 37
12
1
+
V1
M
ו㘪ఋ䌜 Tank circuit 25 21 22 - 元件名称 Component name 断路器主轴的辅助开关 Auxiliary switch of spindle breaker
21
22
35 闭锁电磁铁（可选件） Latching solenoid (optional) 储能电机用微动开关 Charging motor with micro switch Locking electromagnet on the micro-switch (optional)
S1 21 22
26 36 Indirect overcurrent tripping device (optional)
13 14
24 34 闭锁电磁铁的微动开关（可选件）
S2 13 14 分闸脱扣器 Shunt tripping device 合闸脱扣器 Closing tripping device 间接式过流脱扣器（可选件） 机构内部防跳继电器（可选件） Inside anti-hop relay (optional)
真空断路器电气控制原理图
HQ Side-Mounted Vacuum Circuit Breaker Electrical Schematics 手动储能 Manual storage 储能电机 Charging motor 串联电阻 Series resistance 整流元件 Rectifying element
53 54 Breaker status, including separating brake, no energy storage
4 2 断路器状态为分闸、未储能 带防跳、带闭锁、带过流方案
3 1 lock and overcurrent scheme
51 52
KO 代号 Codename Y1 TQ HQ Y7～Y8 S1 S2 QF KO RO V1～V4

व䬥ఋ䌜 Closing the loop 4 RO - + 14 P M

Y1

䬚䨮ఋ䌜 Blocking Circuit 20 + - V4 33 34 10

QF
23 24
23 33
13 14
8 18
43 44
22
41 42
5 15
11 12
3 13
21 22
11 21
31 32

额定电流 (A) 额定短路开断电流 (kA) 机箱柜宽 (mm) +
Rated current Rated short-circuit breaking current Enclosure width ܳ䬥ఋ䌜 Opening loop 30 31
630～1250 20...31.5 240 - V2
QF
主回路采用固封极柱 TQ
MVG-12S Main circuit adopts solid-sealed post terminal OFF ON MVG-12S

P
28 29